8.06753
4-Pyridinecarboxylic acid hydrazide
for synthesis
Synonym(s):
4-Pyridinecarboxylic acid hydrazide, Isoniazide, 4-Pyridinecarbohydrazide, Isonicotinic acid hydrazide
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About This Item
Linear Formula:
4-(H2NNHCO)C5H4N
CAS Number:
Molecular Weight:
137.14
UNSPSC Code:
12352127
EC Index Number:
200-214-6
NACRES:
NA.22
MDL number:
Quality Level
potency
1250 mg/kg LD50, oral (Rat)
pH
6-8 (20 °C, 50 g/L in H2O)
mp
169-172 °C
transition temp
flash point >250 °C
solubility
125 g/L
bulk density
800 kg/m3
storage temp.
15-25°C
SMILES string
N(N)C(=O)c1ccncc1
InChI
1S/C6H7N3O/c7-9-6(10)5-1-3-8-4-2-5/h1-4H,7H2,(H,9,10)
InChI key
QRXWMOHMRWLFEY-UHFFFAOYSA-N
Analysis Note
Assay (HClO₄): ≥ 99.0 %
Melting range (lower value): ≥ 169 °C
Melting range (upper value): ≤ 172 °C
Identity (IR): passes test
Melting range (lower value): ≥ 169 °C
Melting range (upper value): ≤ 172 °C
Identity (IR): passes test
signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Skin Irrit. 2
Storage Class
11 - Combustible Solids
wgk
WGK 3
Certificates of Analysis (COA)
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